| abstract |
Unsaturated soil rain infiltration simulation test device in a kind of multifunctional room, the middle part of experimental provision platform is provided with several permeable holes, the upper surface of the experimental provision platform on corresponding permeable hole is connected with rectangular parallelepiped detachable rigidity retaining wall, lower surface is equipped with the adjustable closed piestic water container of hydraulic pressure, the outer wall of described rectangular parallelepiped detachable rigidity retaining wall is provided with several preformed holes, and described piestic water container is connected force (forcing) pump with airtight supply tank by air pressure valve.After the utility model adopts technique scheme, the beneficial effect obtained comprises: by regulating force (forcing) pump, flowrate control valve, control raininess and the simulation that realizes rainfall duration all kinds of rainfall operating mode, can the physical and mechanical parameter such as unsaturated soil water cut, matric suction in Real-Time Monitoring rainwater or groundwater table rise process by the sensor of rigidity retaining wall preformed hole insertion. |